Allegheny International said it will not pay the second quarter dividends on its common stock, $2.19 cumulative preference stock and $11.25 convertible preferred stock which would be payable on July 1 . . . Ailing gun maker Smith & Wesson Inc. has been purchased for $112.5 million by F.H. Tompkins PLC of London. . . Delta Air Lines said it will match the fare increases announced earlier by other airlines to offset rising fuel costs . . . El Segundo-based Wyle Laboratories will redeem all of its outstanding 5.25% convertible subordinated debentures due August, 1988, on July 14. . . New York-based Allied Stores Corp. said it agreed to sell its Miller & Rhoads department store chain to a management-led investment group for an undisclosed price.